J

John Finnegan

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Schertz, Texas, United States

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Résumé

Jobs verified_user 0% verified
  • Addepar
    Staff Engineer
    Addepar
    Feb 2022 - Oct 2025 (3 years 9 months)
    Architected scalable portfolio data ingestion pipelines integrating custodians (Schwab, Fidelity, Pershing) via REST APIs, SFTP, and event-driven workflows (Kafka), supporting multi-billion-dollar AUM environments. Designed and implemented high-performance backend services using Node.js, Python (FastAPI), PostgreSQL, and Redis, enabling reliable daily NAV calculation and performance reporting. Led development of an automated reconciliation engine with intelligent rule-based matching, reducing manual break resolution by 40%+ and improving operational efficiency. Built modular microservices architecture for portfolio accounting, fee billing, and rebalancing workflows, improving system scalability and maintainability. Delivered API-first servi
  • SmartBear
    Solution Architect
    SmartBear
    Jul 2015 - Dec 2021 (6 years 6 months)
    Architected and maintained enterprise-grade CI/CD pipelines using Jenkins, GitHub Actions, and Azure DevOps, automating build, test, security scanning, and deployment workflows across microservices platforms. Designed scalable containerized test execution environments with Docker and Kubernetes, enabling parallel API and performance test runs and reducing regression cycles by 40%. Implemented Infrastructure as Code (Terraform, Helm) to provision cloud-native test infrastructure on AWS/Azure, ensuring reproducible, version-controlled environments. Integrated automated API contract testing and schema validation into pull request workflows, preventing breaking changes and improving release stability. Built distributed test orchestration servic
  • Rackspace Technology
    Junior Software Engineer
    Rackspace Technology
    Jul 2013 - Jun 2015 (2 years)
    Developed and maintained backend services and internal tools using Python and JavaScript to support customer-facing platforms and internal operational workflows. Implemented and extended RESTful APIs for service automation, configuration management, and integration with internal systems. Assisted in breaking down legacy monolithic services into more modular components to improve maintainability and deployment reliability. Supported AWS and private cloud environments, working with compute, storage, and networking services under senior engineer guidance. Built automation scripts (Python, Bash) to streamline provisioning, configuration, and routine operational tasks, reducing manual intervention and error rates. Assisted with early Infrastruct
Education verified_user 0% verified
  • The University of Texas at Austin
    Bachelor's Degree of Computer Science
    The University of Texas at Austin
    Sep 2009 - Jul 2013 (3 years 11 months)